Additive manufacturing of Invar parts by solvent jetting on granule beds

Carreño-Morelli, Efrain (School of Engineering, HES-SO Valais-Wallis, HEI, HES-SO // University of Applied Sciences Western Switzerland) ; Rodriguez-Arbaizar, Mikel (School of Engineering, HES-SO Valais-Wallis, HEI, HES-SO // University of Applied Sciences Western Switzerland) ; Girard, Hervé (School of Engineering, HES-SO Valais-Wallis, HEI, HES-SO // University of Applied Sciences Western Switzerland)

Invar Fe36Ni parts are produced by the “solvent on granule” 3D-Printing technique. Both elementary and prealloyed powders are used. A special purpose tabletopmachine, designed and built in a previous development, is used to print green parts, which are subsequently debinded and sintered in a muffle furnace. Prismatic specimens for thermal expansion tests and metallographicobservation are produced. In addition, benchmark parts are printed to test dimensional accuracy and shape preservation. The results show the feasibility of producing low thermal expansion coefficient material, which matches the target value of 1ppm/°Creported for the wrought alloy.


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Mots-clés:
Type de conférence:
full paper
Faculté:
Ingénierie et Architecture
Ecole:
HEI-VS
Institut:
Institut Systèmes industriels
Classification:
Ingénierie
Adresse bibliogr.:
Bilbao, Spain, 14-18 October 2018
Date:
2018-10
Bilbao, Spain
14-18 October 2018
Pagination:
6 p.
Publié dans:
Proceedings of Euro PM2018 congress & exhibition, 14-18 October 2018, Bilbao, Spain
ISBN:
978-1-899072-50-7
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Note: The status of this file is: restricted


 Notice créée le 2019-04-23, modifiée le 2019-04-23

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